01 Te waipiro polyvinyl (PVA) Wanwei
Ko te waipiro polyvinyl he puhui waro me te tauira matū o [C2H4O] n. ko tona ahua he tawerewere ma, he kakano, he paura totoka me te kore reka. Wairewa i roto i te wai, paku wairewa i roto i te dimethyl sulfoxide, insoluble i roto i te penehīni, karahīni, hinu huawhenua, benzene, toluene, dichloroethane, carbon tetrachloride, acetone, ethyl acetate, methanol, ethylene glycol, etc. ka whakamahia ki te hanga polyvinyl acetal, pipeline ātete penehīni me vinylon, kaihoko maimoatanga papanga, emulsifier, paninga pepa, whakapiri, kāpia, etc.